Moroso GM HEI Advance Curve Kit - HEI Advance Curve Kit - All GM HEI Distributors RG10003L 3875" spacer behind crank timing

3875" spacer behind crank timing sprocket

LS6 & L99 factory intakes

10-1/2" long front sump with a 9 qt

1/2 in NPT Dual Inlets

2000-2006 Chevrolet Tahoe

Moroso GM HEI Advance Curve Kit - HEI Advance Curve Kit - All GM HEI Distributors RG10003L 3875" spacer behind crank timing"Recurve" your distributor for full spark advance at the optimum RPM Three sets of advance springs allow you to adjust the rate of spark advance from quick, to super quick, to ultra quick Weights and centerplates precision stamped with smooth edges eliminate erratic timing Comes with complete installation instructions Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance